first commit

.gitignore

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+build/
+sdkconfig
+sdkconfig.old
+.devcontainer/
+.vscode/

CMakeLists.txt

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+# For more information about build system see
+# https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html
+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+set(EXTRA_COMPONENT_DIRS ./components)
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(AXP199_DRV)

README.md

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+<!--
+ * @Author: FeOAr [email protected]
+ * @Date: 2024-05-02 21:32:05
+ * @LastEditors: FeOAr [email protected]
+ * @LastEditTime: 2025-01-05 11:01:24
+ * @FilePath: \AXP199_DRV\README.md
+ * @Description: 
+ * 
+-->
+# 基于 ESP-IDF 的 AXP199 电源芯片库
+
+本库基于 Arduino 下的 AXP20x 库开发，[AXP202X_Library](https://github.com/lewisxhe/AXP202X_Library)。
+
+在开发其他 ESP-IDF 项目时，由于使用了 AXP199 芯片但缺乏专用驱动，因此编写了本驱动库。尽管 AXP 系列芯片的主要功能相似且具备通用性，但专用的库可以更好地满足实际需求。
+
+欢迎在使用过程中提交问题或建议请提交 issue。您的反馈将帮助进一步完善本库。
+
+项目中使用的I2C驱动库来自[esp-idf-lib](https://github.com/UncleRus/esp-idf-lib)
+
+
+一个使用示例：
+```c
+static int32_t axp_power_init()
+{
+    int16_t enable_result = 0;
+    int32_t set_vol_result = 0;
+    memset(&axp_dev, 0, sizeof(i2c_dev_t));
+
+    ESP_ERROR_CHECK(axp199_dev_init(&axp_dev,
+                                    AXP199_SLAVE_ADDRESS,
+                                    0,
+                                    CONFIG_I2C_MASTER_SDA,
+                                    CONFIG_I2C_MASTER_SCL,
+                                    CONFIG_I2C_PULL_UP,
+                                    CONFIG_I2C_CLOCK_HZ));
+    ESP_LOGI(AXP_TAG, "axp199 init done\n");
+
+    //  DCDC 1
+    enable_result = axp_set_dcdc1_enable(&axp_dev, AXP_ENABLE);
+    log_result(enable_result, "Enable dcdc1 success!", "Enable dcdc1 failed!");
+
+    set_vol_result = axp_set_dcdc1_voltage(&axp_dev, 3300);
+    log_result(set_vol_result, "Set dcdc1 voltage to 3300 mV success!", "Set dcdc1 voltage failed!");
+
+    //  DCDC 2
+    enable_result = axp_set_dcdc3_enable(&axp_dev, AXP_ENABLE);
+    log_result(enable_result, "Enable dcdc3 success!", "Enable dcdc3 failed!");
+
+    set_vol_result = axp_set_dcdc3_voltage(&axp_dev, 3300);
+    log_result(set_vol_result, "Set dcdc3 voltage to 3300 mV success!", "Set dcdc3 voltage failed!");
+
+    //  LDO 2
+    set_vol_result = axp_set_ldo2_voltage(&axp_dev, 3300);
+    log_result(set_vol_result, "Set LDO2 voltage to 3300 mV success!", "Set LDO2 voltage failed!");
+
+    enable_result = axp_set_ldo2_enable(&axp_dev, AXP_ENABLE);
+    log_result(enable_result, "Enable LDO2 success!", "Enable LDO2 failed!");
+
+
+    //  LDO 3
+    set_vol_result = axp_set_ldo3_voltage(&axp_dev, 3300);
+    log_result(set_vol_result, "Set LDO3 voltage to 3300 mV success!", "Set LDO3 voltage failed!");
+
+    enable_result = axp_set_ldo3_enable(&axp_dev, AXP_ENABLE);
+    log_result(enable_result, "Enable LDO3 success!", "Enable LDO3 failed!");
+
+    return ESP_OK;
+}
+
+```

components/axp199/CMakeLists.txt

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+
+idf_component_register(
+    SRCS axp199.c
+    INCLUDE_DIRS .
+    REQUIRES i2cdev log esp_idf_lib_helpers
+)